ML18262A213

Independent Spent Fuel Storage Installation - General License 30-day Cask Registration Notification and Thermal Performance Assessment

ML18262A213
Person / Time
Site:	Nine Mile Point, 07201036, 07201004
Issue date:	09/05/2018
From:	Moore D Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation
References
NMP1L 3241
Download: ML18262A213 (2)

Text

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NMP1L 3241 10 CFR 72.212(b)(2)

September 5, 2018 U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 ATTN: Document Control Desk Director, Division of Spent Fuel Storage and Transportation Office of Nuclear Material Safety and Safeguards Nine Mile Point Nuclear Station, Units 1 and 2 Renewed Facility Operating License Nos. DPR-63 and NPF-69 Docket Nos. 50-220 and 50-41 O Nine Mile Point Nuclear Station Independent Spent Fuel Storage Installation General License Docket No. 72-1036, 1 Z- - { oD'f

SUBJECT:

General License 30-day Cask Registration Notification and Thermal Performance Assessment Pursuant to the requirements of 10 CFR 72.212(b)(2), this letter provides the information to register the use of three approved spent fuel storage casks at the Nine Mile Point Nuclear Station (NMPNS) Independent Spent Fuel Storage Installation (ISFSI).

Licensee's Name: Nine Mile Point Nuclear Station, LLC Address: PO Box 63 Lycoming, NY 13093 Reactor License Numbers: DPR-63 and NPF-69 Docket Numbers: 50-220, 50-41 O and 72-1036 Person Responsible for Mr. Kenneth J. Kristensen Providing additional information: 315-349-2069 Cask Certificate Number: 1004 Certificate Amendment Number: 10, Revision 1 Cask Model Number: NUHOMS-61 BTH Cask Identification Numbers: NMP-61 BTH-1-A-2-027, loaded August 11, 2018 NMP-61BTH-1-A-2-028, loaded August 19, 2018 NMP-61BTH-1-A-2-029, loaded August 24, 2018 The Technical Specifications (TS) for Certificate of Compliance (CoC) No. 1004, Amendment No. 10, Revision 1, § 1.1. 7 "Special Requirements for First System in Place", requires the results of the temperature measurements of the first Dry Shielded Canister (DSC) placed in service be submitted to the NRG for evaluation and assessment. Additionally, this section of TS requires subsequent users of the system to report heat loads higher than the first user. The first user of the NU HOMS CoC No. 1004, Duke Energy, submitted the heat transfer characteristics for an 18.95 kilowatt (kW) Dry Shielded Canister (DSC) in a letter to the NRG, from Duke Energy, "Cask Certificate of Compliance, Docket No.: 72-1004, 30-day Report for Higher Canister Heat Loading per General Requirement Section 1.1.7," dated August 8, 2007

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30 Day Cask Registration September 5, 2018 Page2 (ML072340622). The first DSC loaded at NMPNS had a heat load of 7.30 kW, as reported in our letter dated October 17, 2012.

A summary of the thermal performance of DSCs 27, 28 and 29 in place at the NMPNS ISFSI is submitted for your information.

Horizontal Storage Module (HSM) Model: NU HOMS Model 102 HSM Identification Number: 7DFS-HSM002J Cask: NMP-61 BTH-1-A-2-027 Calculated Heat Load: 8.312 kW Calculated l1 T: 46 degrees F Actual l1T (Note 1): 31.1 degrees F Horizontal Storage Module (HSM) Model: NUHOMS Model HSM-H HSM Identification Number: 7DFS-HSM008A Cask: NMP-61 BTH-1-A-2-028 Calculated Heat Load: 8.540 kW Calculated l1T: 46 degrees F Actual l1T (Note 1): 19.9 degrees F HSM Identification Number: 7DFS-HSM008B Cask: NMP-61 BTH-1-A-2-029 Calculated Heat Load: 8.771 kW Calculated l1T: 48 degrees F Actual l1T (Note 1): 19.7 degrees F Note 1: The actual l1 T represents the measured l1T obtained during equilibrium conditions.

Equilibrium conditions were achieved when the daily temperature change observed was less than 6 degrees F over three consecutive days.

This letter contains no NRC commitments. Should you have any questions regarding the information in this submittal, please contact Ken Kristensen at (315) 349-2069.

Sincerely, Dennis M. Moore Regulatory Assurance Manager, Nine Mile Point Nuclear Station Exelon Generation Company, LLC DMM/KJK cc: NRC Regional Administrator, Region I NRC Resident Inspector NRR Project Manager